What does code 2 short flashes, 4 long flashes mean on my Carrier Weathermaker 9200 furnace?

You can find a diagnostic chart of your Carrier furnace's error codes near the end of this user's manual. In the chart you'll find the code, a description of the problem, and a checklist possible solutions.

If your furnace is still malfunctioning after you go through the checklist, you'll likely need to contact a qualified heating tech to troubleshoot and repair the problem. We get a lot of questions in the forum about furnaces with error codes - If you'd like to have a contractor take a look at this, we can help you find one, here.

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